SOLUTION: solve useing the elimination method. if the system has no solution or an infinite number of solutions, state this 10x + 11y=-26.5 20x + 5y = -27.5

Algebra ->  Expressions-with-variables -> SOLUTION: solve useing the elimination method. if the system has no solution or an infinite number of solutions, state this 10x + 11y=-26.5 20x + 5y = -27.5      Log On


   

Question 606698: solve useing the elimination method. if the system has no solution or an infinite number of solutions, state this
10x + 11y=-26.5
20x + 5y = -27.5
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

solve using the elimination method

10x + 11y=-26.5

20x + 5y = -27.5



-20x  - 22y= 53      |multiplying thru by -2 to eliminate the x variable

20x + 5y = -27.5

     -17y = 25.5

        y = -1.5     

 20x+5(-1.5) = -27.5 

   20x = -20

     x = -1

CHECKING our Answer***

 -10 + 11(-1.5) = -26.5